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adobe_flash.exe

The application adobe_flash.exe has been detected as a potentially unwanted program by 15 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from dl1.app2desktop.com.
MD5:
1827e501a452c8ce03236a4d1cd7bac7

SHA-1:
4d7d5e705ff3e619cba49421855ae8fc3684b7d5

SHA-256:
904ed8b282b758465273ca9cdd8ba45723a86b756faf2798bc21df5bbfdb1c99

Scanner detections:
15 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
4/25/2024 6:14:55 PM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
AdWare.W32.DomaIQ
2.1.4+

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.10.07

avast!
Adware-gen [Adw]
141003-0

AVG
Adware MultiBundle.M
2014.0.4037

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.L potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
10/6/2014

F-Prot
W32/Outbrowse.B.gen
v6.4.7.1.166

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.494

McAfee
Adware-OutBrowse
5600.6985

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.2.62483

Trend Micro
TROJ_GEN.R0CBC0PEE14
10.465.06

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

File size:
102 KB (104,447 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobe_flash.exe

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:6gXdZt9P6D3XJeCW35Ky/9XO3jR0eWSzUu/0WE:6e34taUQ9OzRgW/cj

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.6696

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file adobe_flash.exe has been seen being distributed by the following URL.

http://dl1.app2desktop.com/DownloadManager/Get?p=1955&d=4029&l=3819&n=1&d1=27&d2=1&d3=1&d4=6&d5=000009144&exeurl=http://aihdownload.adobe.com/bin/.../install_flashplayer11x32ax_mssd_aih.exe&dynamicname=AdobeFlashSetup&productname=Adobe Flash&filename=Adobe_Flash

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